Yes.
Via FB is more secure, safety, and you know/you can see with who making business. If will cheat you, simply you can track him down. Via other via, do you want to track down "Mickey mouse" as his nickname ?

Hello
Just I made a Facebook page about Bike Trial Market. Place where you can put your ad for sell or wanted about bike/street trial stuff.
I hope you will help me to promote this group and please don`t forget to join and post your ad !
www.fb.com/groups/BikeTrialMarket
Enjoy !

Hey
Take a look on pictures, if you want some detailed picture, let me know i will take a shoot
http://www.trials-forum.co.uk/topic/188291-new-build-after-my-first-broken-trial-frame-kot-ms2-rockman-gabbro-26/